NKX2-5(redirected from CSX)
Also found in: Acronyms.
NKX2-5A gene on chromosome 5q34 that encodes a homeobox transcription factor implicated in commitment to, and/or differentiation of, the myocardial lineage. It acts as a transcriptional activator of ANF in co-operation with GATA4.
NKX2-5 mutations cause atrial septal defect with atrioventricular conduction defect, tetralogy of Fallot, and congenital hypothyroidism non-goitrous type 5.